Season 6

Osman Bey, now leading a state, aims to unify the Turks under his banner, and influence border principalities. Bayhan Bey and his rival Begüm Hatun attend Osman Bey's wedding, possibly revealing intentions towards his daughter, Fatma Hatun. The arrival of the Caliph's vizier Emir Ömer stirs tension, his purpose unknown to Osman. Emir Ömer secretly informs Karesi Bey of the theft of sacred relics, prompting Karesi to seek them out and offer allegiance to Osman Bey. As Osman expands his territory, Byzantine hopes rest on Commander Lucas, who holds the sacred relics and plots against the Turks. Lucas tries to recruit Holofira, impacting her and Orhan Bey’s paths. Alaeddin Bey is imprisoned in a castle as Osman continues his conquests, facing Lucas's schemes.

Despite numerous challenges, Karadin Castle becomes Kayı property. Alaeddin Bey is exposed to danger during the conquest. Commander Lucas devises a plan to find and exploit the weaknesses of Osman Bey and Karesi Bey, aiming to set them against each other. Lucas, holding sacred relics, plans to use them as leverage. Osman Bey's tribe is alarmed when the relics are stolen, and he confronts Lucas. The fight for Karadin Castle ensues with Begüm Hatun and Bayhan Bey vying for control, while Bala Hatun remains disinterested. Holofira, under Lucas's orders, arrives uninvited at the celebration, rekindling her love with Orhan Bey, who proposes marriage. Saruca and Yusuf compete for Fatma Hatun's affection. During Gonca Hatun's difficult childbirth, Begüm and Hazal Hatun clash, with Begüm accusing Hazal of poisoning her.

Osman Bey's pledge to protect the sacred Islamic relics elates the Kayı tribe but fuels Karesi Bey's jealousy. To thwart Osman, Lucas sets a trap in Karadin, complicating Begüm Hatun's situation. After her setback, Begüm plots to undermine Bala Hatun. Meanwhile, it's revealed that Cecilia poisoned Gonca Hatun, straining her relationship with Holofira. Orhan Bey devises a plan to kidnap Holofira from her arranged marriage, but they encounter a trap. Lucas and Karesi plan to financially damage Osman by building a bridge. Osman discovers Karesi's deceit. The unfolding drama sees Gonca's feelings towards Holofira change, and the possibility of Orhan and Holofira's reunion.

Osman Bey's escape angers Lucas and Karesi Bey, who plan a new move against him. During a wedding in Kayı Oba, Lucas incites a Greek rebellion in Söğüt, shocking everyone. Lucas also pressures Karadin Castle, putting Osman Bey in a tight spot as he deals with both threats. Osman Bey escapes a trap, while Orhan Bey and Holofira face danger from Lucas' men. With no obstacles left, Osman Bey plans a grand wedding for Orhan and Holofira. Tensions rise between Gonca Hatun and Holofira due to lingering pain. Begüm and Hazal Hatun notice the strain and may exploit it. Gonca Hatun considers leaving Kayı Oba with Alaeddin Bey. Yusuf and Saruca vie for Fatma Hatun's affection, leading to a showdown between them.

Osman Bey rewards Karesi Bey with Karadin Castle for thwarting Lucas's plan to capture it, initiating trade despite Karesi Bey's potential hidden motives. Meanwhile, Osman Bey tackles the escalating Greek Rebellion in Söğüt, aiming to restore peace by targeting its leader, Arcadeus. Sofia teams up with Lucas to seek revenge, severely injuring Baysungur, pushing Osman Bey to focus on avenging him. In the Kayı Obası, tensions rise between Gonca Hatun and Holofira, drawing Hazal and Begüm Hatun into the conflict. Bala Hatun intervenes with impactful warnings, while her strained relationship with Begüm Hatun adds to the discord.

Osman Bey prepares to strike Byzantium and Karesi Bey by targeting Akhisar, while Karesi Bey enforces martial law in Karadin to strengthen his grip. As Osman Bey focuses on his conquest, Bala Hatun works to maintain peace amidst rising tensions between Gonca and Holofira, further aggravated by Begüm Hatun. Meanwhile, Sofia creates turmoil by kidnapping Fatma, Saruca, and Yusuf, shocking Söğüt Pazar. Bala Hatun swiftly takes action to rescue Fatma and restore order.

Osman Bey is deeply disturbed by the kidnapping of Fatma Hatun, Saruca, and Yusuf by Lucas and Sofia, who demand Söğüt in exchange for Fatma. Though appearing to surrender, Osman Bey devises a plan to rescue her without losing Söğüt. Meanwhile, Karesi Bey, sensing Osman Bey's vulnerability, declares war and allies with Gencer Bey to strike. Lucas manipulates Yusuf and Saruca to uncover Osman Bey's strategies, testing the loyalty of Begüm Hatun and Bayhan Bey. Amid rising tensions, Orhan and Alaeddin take great risks to rescue Fatma, further intensifying the conflicts.

Sofia seeks revenge on the Kayis by orchestrating a deadly trap, endangering Bala Hatun and leaving Gonca Hatun and Holofira's fates uncertain. Lucas suspects a traitor in their ranks and uncovers Ilbay, who faces the threat of execution. Tensions rise as Boran and Cerkutay blame Begüm Hatun and Yusuf for their struggles, further fueled by Begüm's disruptive actions in the council and market. Bala Hatun steps in to address the escalating discord, while Gonca Hatun must navigate the delicate revelation of Begüm Hatun's love for Osman Bey.

Osman Bey seeks justice for the attack on Bala Hatun and his family, while Sofia sets a trap involving Osman’s long-lost daughter Halime, whom she raised as an enemy. Tensions rise as Poena unknowingly attacks her sister Fatma at Söğüt Market. Suspecting Gencer, Begüm, or Bayhan as traitors aiding Lucas, Sofia, and Karesi, Osman monitors them closely. After discovering Begüm Hatun's meeting with Karesi Bey, he imprisons her, but she escapes and seeks refuge with Karesi, who proposes to her. Osman tracks Begüm's kidnapper, confronts Karesi Bey, and blood is shed in the process. Amid all this, Osman Bey is determined to protect his family and take revenge against Lucas and Sofia's growing threats.

Osman Bey, wounded by Poena’s arrow while seeking Sofia’s hidden secrets, remains resolute in defeating Sofia and Lucas, who scramble to escape while managing Poena. Sofia plans to use Poena to infiltrate the Kayı Tribe and target Osman Bey and Bala Hatun. During Bala Hatun's visit to Halime's grave, Poena attempts to kill her. Amidst growing tensions, Karesi Bey declares war on Osman Bey with Lucas’s support, while Begüm Hatun risks her life by warning Osman of Karesi’s plans. Sofia and Lucas launch an attack on Osman’s headquarters, threatening Bayhan Bey’s life and impacting the war’s outcome. Osman Bey must face Karesi’s alliances and stand alone against mounting threats.